package cn.edu.ujn.GJLlab2.service;

import java.util.List;

import cn.edu.ujn.GJLlab2.dao.User;

public interface IUserService {
  
	User insert(User user);
	int deleteById(int id);
	int updateById(User user);
	User findById(int id);
	List<User> findAllUsers();
	
}
